class User {
    private int userID;
    private String keywords;
    private String e_mail;

    // 构造函数
    public User(int userID, String keywords, String e_mail) {
        this.userID = userID;
        this.keywords = keywords;
        this.e_mail = e_mail;
    }

    // 获取用户ID
    public int getUserID() {
        return userID;
    }

    // 获取密码
    public String getKeywords() {
        return keywords;
    }

    // 获取邮箱
    public String getE_mail() {
        return e_mail;
    }

    // 输出用户账户信息
    public String toString() {
        return "账号: " + userID + ", 密码: " + keywords + ", 邮箱: " + e_mail;
    }

    public static void main(String[] args) {
        // 创建两个用户对象
        User user1 = new User(1485635239, "SM12345678", "1485635239@qq.com");
        User user2 = new User(1575292235, "SM12345678", "无");

        // 输出第一个账户的信息
        System.out.println("第一个账户信息：");
        System.out.println(user1.toString());

        // 输出第二个账户的信息
        System.out.println("第二个账户信息：");
        System.out.println(user2.toString());
    }
}
